Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Andy Priaulx’s guide to 2012's BMW M3 DTM racer

The Deutsche Tourenwagen Masters is the world’s greatest tin-top race series, and after a twenty-year absence BMW is returning to the DTM in 2012 – it’s been tempted back by new rules and regulations that cut costs, improve safety, and make the racing closer and more exciting than ever. And Guernseyman Andy Priaulx is one of just six drivers who has a seat in the half dozen M3s that’ll battle Mercedes’ C Class Coupe DTM and Audi’s A5 DTM next year. We caught up with the three-time World Touring Car Champion to find out about his new 480bhp company car.

Cadillac CTS-V Sport Wagon (2010) first official pictures

This is the Cadillac CTS-V Sport Wagon, with a 6.2-litre supercharged V8 and an even bigger boot. That’s right, only in the V-series range of CTS Caddies it’s detuned from the ZR1’s 638bhp and 604lb ft to 556bhp and 551lb ft. Still, that’s more power than the M5, XFR, E63 or Panamera Turbo can muster.

Audi R8 LMX – the most powerful R8 yet – costs from £160,025

The Audi R8 LMX (pictured) is the first production car with laser lights The new Audi R8 LMX is actually the most powerful R8 road car Audi has produced, but they seem keener you know that it has laser beam headlights. But that’s because they’ve beaten BMW to the punch on the laser front. As a run-out version of the current R8, the R8 LMX has a lot to offer, with more power, more toys, a hefty price tag and a debut in the UK at the Goodwood Festival of Speed next month.